vendor: Update vendored sources to igraph/igraph@b25eda2

fix: UBSan warning about negative shift when generating Q_0 hypercube graph
igraph · Jan 6, 2025 · ef99925 · ef99925
1 parent ca3bdd2
commit ef99925
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/vendor/cigraph/src/constructors/regular.c b/src/vendor/cigraph/src/constructors/regular.c
@@ -982,7 +982,7 @@ igraph_error_t igraph_hypercube(igraph_t *graph,
     /* Integer overflow is no longer a concern after the above check. */
 
     const igraph_integer_t vcount = (igraph_integer_t) 1 << n;
-    const igraph_integer_t ecount = ((igraph_integer_t) 1 << (n-1)) * n;
+    const igraph_integer_t ecount = n > 0 ? ((igraph_integer_t) 1 << (n-1)) * n : 0; /* avoid UBSan warning */
     igraph_vector_int_t edges;
     igraph_integer_t p;
     int iter = 0;

diff --git a/src/vendor/igraph_version.h b/src/vendor/igraph_version.h
@@ -28,11 +28,11 @@
 
 __BEGIN_DECLS
 
-#define IGRAPH_VERSION "0.10.15-42-ge940ab737"
+#define IGRAPH_VERSION "0.10.15-43-gb25eda2db"
 #define IGRAPH_VERSION_MAJOR 0
 #define IGRAPH_VERSION_MINOR 10
 #define IGRAPH_VERSION_PATCH 15
-#define IGRAPH_VERSION_PRERELEASE "42-ge940ab737"
+#define IGRAPH_VERSION_PRERELEASE "43-gb25eda2db"
 
 IGRAPH_EXPORT void igraph_version(const char **version_string,
                                   int *major,